US Post Office Processing Center

160 Duryea Road
Melville, NY 11747
Phone: (631) 755-2575
Fax: (516) 295-5706
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East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Oyster Bay US Post Office

1 Shore Avenue
Oyster Bay - 11771
(516) 922-8249

Roslyn US Post Office

1391 Old Northern Blvd
Roslyn - 11576
(516) 621-7397

Quogue US Post Office

6 Midland St
Quogue - 11959
(631) 653-6427

Old Bethpage US Post Office

696 Old Bethpage Road
Old Bethpage - 11804
(516) 249-2915

Malverne US Post Office

339 Hempstead Avenue
Malverne - 11565
(516) 599-7583

Long Beach US Post Office

101 E Park Avenue
Long Beach - 11561
(516) 432-5484

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394